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authorJohannes Stoelp <johannes.stoelp@gmail.com>2023-02-27 20:40:26 +0100
committerJohannes Stoelp <johannes.stoelp@gmail.com>2023-02-27 20:40:26 +0100
commit3e184b0b47d203cd37089296e0c49c9219c83b26 (patch)
tree9d9891bbded55165c24f597ce082f59f9743d22f
parent7c080806361e23e2e2a528fb391d6bf9c15404f0 (diff)
downloadjuicebox-asm-3e184b0b47d203cd37089296e0c49c9219c83b26.tar.gz
juicebox-asm-3e184b0b47d203cd37089296e0c49c9219c83b26.zip
Move instruction implementation in sub module and introduce insn prelude
-rw-r--r--src/insn.rs4
-rw-r--r--src/insn/mov.rs105
-rw-r--r--src/insn/prelude.rs6
-rw-r--r--src/lib.rs110
4 files changed, 117 insertions, 108 deletions
diff --git a/src/insn.rs b/src/insn.rs
index bb1a380..7c74dd9 100644
--- a/src/insn.rs
+++ b/src/insn.rs
@@ -1,3 +1,7 @@
+mod prelude;
+
+mod mov;
+
pub trait Mov<T, U> {
fn mov(&mut self, op1: T, op2: U);
}
diff --git a/src/insn/mov.rs b/src/insn/mov.rs
new file mode 100644
index 0000000..d930ade
--- /dev/null
+++ b/src/insn/mov.rs
@@ -0,0 +1,105 @@
+use super::prelude::*;
+
+// -- MOV : reg reg
+
+impl Mov<Reg64, Reg64> for Asm {
+ fn mov(&mut self, op1: Reg64, op2: Reg64) {
+ self.encode_rr(0x89, op1, op2);
+ }
+}
+
+impl Mov<Reg32, Reg32> for Asm {
+ fn mov(&mut self, op1: Reg32, op2: Reg32) {
+ self.encode_rr(0x89, op1, op2);
+ }
+}
+
+impl Mov<Reg16, Reg16> for Asm {
+ fn mov(&mut self, op1: Reg16, op2: Reg16) {
+ self.encode_rr(0x89, op1, op2);
+ }
+}
+
+impl Mov<Reg8, Reg8> for Asm {
+ fn mov(&mut self, op1: Reg8, op2: Reg8) {
+ self.encode_rr(0x88, op1, op2);
+ }
+}
+
+// -- MOV : mem reg
+
+impl Mov<MemOp, Reg64> for Asm {
+ fn mov(&mut self, op1: MemOp, op2: Reg64) {
+ self.encode_mr(0x89, op1, op2);
+ }
+}
+
+impl Mov<MemOp, Reg32> for Asm {
+ fn mov(&mut self, op1: MemOp, op2: Reg32) {
+ self.encode_mr(0x89, op1, op2);
+ }
+}
+
+impl Mov<MemOp, Reg16> for Asm {
+ fn mov(&mut self, op1: MemOp, op2: Reg16) {
+ self.encode_mr(0x89, op1, op2);
+ }
+}
+
+impl Mov<MemOp, Reg8> for Asm {
+ fn mov(&mut self, op1: MemOp, op2: Reg8) {
+ self.encode_mr(0x88, op1, op2);
+ }
+}
+
+// -- MOV : reg mem
+
+impl Mov<Reg64, MemOp> for Asm {
+ fn mov(&mut self, op1: Reg64, op2: MemOp) {
+ self.encode_rm(0x8b, op1, op2);
+ }
+}
+
+impl Mov<Reg32, MemOp> for Asm {
+ fn mov(&mut self, op1: Reg32, op2: MemOp) {
+ self.encode_rm(0x8b, op1, op2);
+ }
+}
+
+impl Mov<Reg16, MemOp> for Asm {
+ fn mov(&mut self, op1: Reg16, op2: MemOp) {
+ self.encode_rm(0x8b, op1, op2);
+ }
+}
+
+impl Mov<Reg8, MemOp> for Asm {
+ fn mov(&mut self, op1: Reg8, op2: MemOp) {
+ self.encode_rm(0x8a, op1, op2);
+ }
+}
+
+// -- MOV : reg imm
+
+impl Mov<Reg64, Imm64> for Asm {
+ fn mov(&mut self, op1: Reg64, op2: Imm64) {
+ self.encode_oi(0xb8, op1, op2);
+ }
+}
+
+impl Mov<Reg32, Imm32> for Asm {
+ fn mov(&mut self, op1: Reg32, op2: Imm32) {
+ self.encode_oi(0xb8, op1, op2);
+ }
+}
+
+impl Mov<Reg16, Imm16> for Asm {
+ fn mov(&mut self, op1: Reg16, op2: Imm16) {
+ self.encode_oi(0xb8, op1, op2);
+ }
+}
+
+impl Mov<Reg8, Imm8> for Asm {
+ fn mov(&mut self, op1: Reg8, op2: Imm8) {
+ self.encode_oi(0xb0, op1, op2);
+ }
+}
diff --git a/src/insn/prelude.rs b/src/insn/prelude.rs
new file mode 100644
index 0000000..703417a
--- /dev/null
+++ b/src/insn/prelude.rs
@@ -0,0 +1,6 @@
+pub use crate::Asm;
+pub use crate::MemOp;
+pub use crate::{Imm16, Imm32, Imm64, Imm8};
+pub use crate::{Reg16, Reg32, Reg64, Reg8};
+
+pub use crate::insn::Mov;
diff --git a/src/lib.rs b/src/lib.rs
index 23c9ca0..9eb2583 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -106,7 +106,7 @@ impl Asm {
self.emit_optional(&[prefix, rex]);
self.emit(&[opc]);
- self.emit(&op2.bytes());
+ self.emit(op2.bytes());
}
fn encode_ri<T: Reg, U: Imm>(&mut self, opc: u8, opc_ext: u8, op1: T, op2: U)
@@ -127,7 +127,7 @@ impl Asm {
self.emit_optional(&[prefix, rex]);
self.emit(&[opc, modrm]);
- self.emit(&op2.bytes());
+ self.emit(op2.bytes());
}
fn encode_mr<T: Reg>(&mut self, opc: u8, op1: MemOp, op2: T)
@@ -244,109 +244,3 @@ impl EncodeMR<Reg16> for Asm {
}
impl EncodeMR<Reg32> for Asm {}
impl EncodeMR<Reg64> for Asm {}
-
-// -- Instruction implementations.
-
-// -- MOV : reg reg
-
-impl Mov<Reg64, Reg64> for Asm {
- fn mov(&mut self, op1: Reg64, op2: Reg64) {
- self.encode_rr(0x89, op1, op2);
- }
-}
-
-impl Mov<Reg32, Reg32> for Asm {
- fn mov(&mut self, op1: Reg32, op2: Reg32) {
- self.encode_rr(0x89, op1, op2);
- }
-}
-
-impl Mov<Reg16, Reg16> for Asm {
- fn mov(&mut self, op1: Reg16, op2: Reg16) {
- self.encode_rr(0x89, op1, op2);
- }
-}
-
-impl Mov<Reg8, Reg8> for Asm {
- fn mov(&mut self, op1: Reg8, op2: Reg8) {
- self.encode_rr(0x88, op1, op2);
- }
-}
-
-// -- MOV : mem reg
-
-impl Mov<MemOp, Reg64> for Asm {
- fn mov(&mut self, op1: MemOp, op2: Reg64) {
- self.encode_mr(0x89, op1, op2);
- }
-}
-
-impl Mov<MemOp, Reg32> for Asm {
- fn mov(&mut self, op1: MemOp, op2: Reg32) {
- self.encode_mr(0x89, op1, op2);
- }
-}
-
-impl Mov<MemOp, Reg16> for Asm {
- fn mov(&mut self, op1: MemOp, op2: Reg16) {
- self.encode_mr(0x89, op1, op2);
- }
-}
-
-impl Mov<MemOp, Reg8> for Asm {
- fn mov(&mut self, op1: MemOp, op2: Reg8) {
- self.encode_mr(0x88, op1, op2);
- }
-}
-
-// -- MOV : reg mem
-
-impl Mov<Reg64, MemOp> for Asm {
- fn mov(&mut self, op1: Reg64, op2: MemOp) {
- self.encode_rm(0x8b, op1, op2);
- }
-}
-
-impl Mov<Reg32, MemOp> for Asm {
- fn mov(&mut self, op1: Reg32, op2: MemOp) {
- self.encode_rm(0x8b, op1, op2);
- }
-}
-
-impl Mov<Reg16, MemOp> for Asm {
- fn mov(&mut self, op1: Reg16, op2: MemOp) {
- self.encode_rm(0x8b, op1, op2);
- }
-}
-
-impl Mov<Reg8, MemOp> for Asm {
- fn mov(&mut self, op1: Reg8, op2: MemOp) {
- self.encode_rm(0x8a, op1, op2);
- }
-}
-
-// -- MOV : reg imm
-
-impl Mov<Reg64, Imm64> for Asm {
- fn mov(&mut self, op1: Reg64, op2: Imm64) {
- self.encode_oi(0xb8, op1, op2);
- }
-}
-
-impl Mov<Reg32, Imm32> for Asm {
- fn mov(&mut self, op1: Reg32, op2: Imm32) {
- self.encode_oi(0xb8, op1, op2);
- }
-}
-
-impl Mov<Reg16, Imm16> for Asm {
- fn mov(&mut self, op1: Reg16, op2: Imm16) {
- self.encode_oi(0xb8, op1, op2);
- }
-}
-
-impl Mov<Reg8, Imm8> for Asm {
- fn mov(&mut self, op1: Reg8, op2: Imm8) {
- self.encode_oi(0xb0, op1, op2);
- }
-}